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- Title
Handedness in twins: a meta-analysis.
- Authors
Sicotte, N L; Woods, R P; Mazziotta, J C
- Abstract
In the largest meta-analysis of twins and singletons conducted to date we have found a higher incidence of left-handedness in twins compared to singletons. Our analysis revealed no difference in the frequency of left-handedness among monozygotic versus dizygotic twins. However, identical twins were more likely to be concordant for hand preference than non-identical twins, which is consistent with a genetic model of handedness. Prior analyses have not revealed these findings consistently, and this has led to a number of conflicting models of handedness.
- Publication
Laterality, 1999, Vol 4, Issue 3, p265
- ISSN
1357-650X
- Publication type
Journal Article
- DOI
10.1080/713754339